Q: Which of the following equations best represents the relationship between the number of cell layers ($$n) $$and the type of epithelial tissue?

$$n = 1$$ \rightarrow \text{Simple epithelium}$

Question 1

Which of the following is NOT a function of epithelial tissue?

Accepted Answer

Contraction

Question 2

Epithelial tissue is described as avascular but innervated. What does 'avascular' mean in this context?

Accepted Answer

It does not contain blood vessels.

Question 3

Which layer of the basement membrane reinforces the epithelial sheet and resists stretching and tearing?

Accepted Answer

Reticular lamina

Question 4

A patient has damage to the epithelial tissue lining their small intestine. Which property of epithelial tissue allows for rapid repair in this area?

Accepted Answer

Regeneration

Question 5

Which type of epithelial tissue is best suited for rapid diffusion and is found lining the air sacs of the lungs?

Accepted Answer

Simple squamous epithelium

Question 6

Stratified epithelial tissues are primarily involved in which function?

Accepted Answer

Protection

Question 7

Which of the following correctly matches the cell shape with its description?

Accepted Answer

Columnar: tall, column-like

Question 8

A gland that releases its product directly into the bloodstream is classified as:

Accepted Answer

Endocrine

Question 9

Which of the following equations best represents the relationship between the number of cell layers ($$n) $$and the type of epithelial tissue?

Accepted Answer

$$n = 1$$ ightarrow 	ext{Simple epithelium}$

Question 10

Which specialized structure increases the surface area for absorption in epithelial cells lining the intestine?

Accepted Answer

Microvilli

Question 11

A tissue sample from the bladder shows cells that change shape when stretched. What type of epithelium is this?

Accepted Answer

Transitional epithelium

Question 12

Which of the following is a correct example of a location for simple cuboidal epithelium?

Accepted Answer

Kidney tubules

Question 13

Which type of glandular epithelium secretes its product into ducts that open onto body surfaces or into body cavities?

Accepted Answer

Exocrine glands

Question 14

Which of the following is TRUE about the basal lamina?

Accepted Answer

It is a layer that holds the basal surface of epithelial cells to underlying tissue.

Question 15

A multicellular exocrine gland consists of which two main structural components?

Accepted Answer

A duct and a secretory unit

Question 16

Which of the following best describes the function of pseudostratified columnar epithelium in the upper respiratory tract?

Accepted Answer

Movement of mucus by cilia

Question 17

Which equation correctly represents the relationship for epithelial tissue regeneration, where $$R is $$the rate of regeneration, $$N is $$the supply of nutrients, and $$D is $$the rate of cell division?

Accepted Answer

$$R = N 	imes D$$

Question 18

Which of the following is a distinguishing characteristic of epithelial tissue?

Accepted Answer

Cells have polarity with distinct apical and basal surfaces.

Question 19

Which type of epithelial tissue is rare and typically found in sweat glands?

Accepted Answer

Stratified cuboidal epithelium

Question 20

Which of the following is a correct real-life example of a unicellular exocrine gland?

Accepted Answer

Goblet cell secreting mucus in the respiratory tract

Epithelial Tissue: Structure, Function, and Classification

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